CN103030768B - Polyurethane acrylate prepolymer and preparation method thereof as well as paint prepared by same - Google Patents
Polyurethane acrylate prepolymer and preparation method thereof as well as paint prepared by same Download PDFInfo
- Publication number
- CN103030768B CN103030768B CN201310004982.7A CN201310004982A CN103030768B CN 103030768 B CN103030768 B CN 103030768B CN 201310004982 A CN201310004982 A CN 201310004982A CN 103030768 B CN103030768 B CN 103030768B
- Authority
- CN
- China
- Prior art keywords
- parts
- polyurethane acrylate
- acrylate prepolymer
- prepolymer
- product
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The invention discloses a polyurethane acrylate prepolymer and a preparation method thereof, as well as paint prepared by the polyurethane acrylate prepolymer. The prepolymer comprises the following components in part by mass: 900-1100 parts of hexamethylene diisocyanate, 2-5 parts of dibutyl tin laurate, 400-600 parts of polyethylene glycol, 1-3 parts of hydroquinone and 1000-1300 parts of hydroxyethyl acrylate. According to the invention, the paint prepared by the polyurethane acrylate prepolymer is high in curing rate, can effectively improve gloss, flexibility and adhesion level of floorboards, and is excellent in use effect.
Description
Technical field
The present invention relates to a kind of polyurethane acrylate prepolymer and preparation method thereof, and with paint prepared by this polyurethane acrylate prepolymer, belong to the field of coating of timber floor.
Background technology
Timber floor, with advantages such as abundant gentle, the beautiful texture natures of its natural environmental-protective, texture, enters into average family just more and more.Along with people are for the continuous pursuit of quality of life, the performance requriements of timber floor is also more and more higher.And the paint being coated on wood floor surface plays vital effect for the performance of timber floor, such as polyurethane prepolymer has relatively high toughness, flexibility, solidity to corrosion and adhesion strength, in order to make timber floor have identical feature, start more and more polyurethane prepolymer to be applied to Floor Industry as paint raw materials.But, due to existing polyurethane prepolymer preparation technology and polyurethane prepolymer to be made the preparation technology of corresponding paint more unreasonable, make the solidification rate of the paint obtained lower, and cause the performances such as the glossiness of the timber floor by this paint application, elasticity, snappiness and sticking power grade more undesirable, and the difficult quality of timber floor is finally made to obtain breakthrough.Therefore, how to improve the preparation method of polyurethane prepolymer, and how to improve preparation method polyurethane prepolymer being made paint, become the problem that this area is urgently to be resolved hurrily.
Summary of the invention
Technical problem to be solved by this invention is the paint providing a kind of polyurethane acrylate prepolymer and preparation method thereof and obtain with it.The paint curing speed obtained with this polyurethane acrylate prepolymer is high, and effectively can improve the glossiness on floor, elasticity, snappiness and sticking power grade, and result of use is very superior.
For solving the problems of the technologies described above, technical scheme of the present invention: a kind of polyurethane acrylate prepolymer, this prepolymer comprises hexamethylene diisocyanate 900-1100 part, dibutyl tin laurate 2-5 part, poly(oxyethylene glycol) 400-600 parts, Resorcinol 1-3 part and Hydroxyethyl acrylate 1000-1300 part by mass parts.
In above-mentioned polyurethane acrylate prepolymer, this prepolymer comprises hexamethylene diisocyanate 1000 parts, dibutyl tin laurate 3 parts, polyoxyethylene glycol 500 parts, Resorcinol 2 parts and Hydroxyethyl acrylate 1150 parts by mass parts.
The preparation method of aforesaid polyurethane acrylate prepolymer, the method comprises the following steps;
A, hexamethylene diisocyanate to be mixed with dibutyl tin laurate, and reconcile pH value to 5, then pass into dry nitrogen 5 ~ 10min, stir, obtain A product;
B, A product are warming up to 40 ~ 50 DEG C, then by the polyoxyethylene glycol instillation flask after processed, reaction 2.5 ~ 3h, obtains B product;
C, B product are warming up to 75 ~ 80 DEG C, add Resorcinol, then by the Hydroxyethyl acrylate instillation after processed, reaction to-NCO group all disappears or content <0.5%, obtains finished product.
The preparation method of above-mentioned polyurethane acrylate prepolymer, the conciliation pH value described in step a, to 5, is, with composite organic acid, solution is reconciled PH to 5.
The preparation method of above-mentioned polyurethane acrylate prepolymer is by the polyoxyethylene glycol instillation flask after processed in step b by constant pressure funnel.
Paint prepared by aforesaid polyurethane acrylate prepolymer, comprises polyurethane acrylate prepolymer 50-60 part, two contracting propylene glycol double methacrylate 20-25 parts, ethoxylated trimethylolpropane triacrylate 5-15 part, 2-hydroxy-2-methyl-1-phenyl-1-acetone 3-10 part, 1-hydroxyl-ring ethyl benzophenone 1-5 part, polyacrylic ester 0.5-1 part, modified polyorganosiloxane 0.3-1 part, low molecule unsaturated carboxylic acid polymer 0.5-1 part, Resorcinol 0.1-0.5 part and hydrated magnesium silicate 2-6 part by mass parts.
Above-mentioned paint, comprises polyurethane acrylate prepolymer 54 parts, two contracting propylene glycol double methacrylates 22 parts, ethoxylated trimethylolpropane triacrylate 10 parts, 5 parts, 2-hydroxy-2-methyl-1-phenyl-1-acetone, 1-hydroxyl-ring ethyl benzophenone 3 parts, polyacrylic ester 0.6 part, modified polyorganosiloxane 0.5 part, low molecule unsaturated carboxylic acid polymer 0.7 part, Resorcinol 0.2 part and hydrated magnesium silicate 4 parts by mass parts.
Beneficial effect of the present invention: compared with prior art, the present invention is optimized the formula of polyurethane acrylate prepolymer and preparation method, polyurethane acrylate prepolymer after obtained not only has superior toughness, flexibility, solidity to corrosion and adhesion strength, and can effectively retain original feature with the paint that this polyurethane acrylate prepolymer is obtained, be suitable as very much the raw material of Floor paint.In addition, applicant is also optimized by the preparation method of this polyurethane acrylate prepolymer preparation paint further, the paint prepared is made to have superior solidification rate high, and effectively can improve the glossiness on floor, snappiness and sticking power grade, result of use is very superior.After testing, all solidstate energy of paint that the present invention obtains reaches 450mj/cm
2solidification rate reaches 3s, the timber floor being simultaneously coated with this paint measures its glossiness by gloss of film degree (GB9754-1988) and reaches 50-70 °, its snappiness diameter < 1mm is measured by paint film flexibility (GB1731-1979), measuring sticking power grade by paint film adhesion grade (GB1720-1979) is 0, detected result shows, it is high that the timber floor being coated with this paint has glossiness, elasticity, snappiness are good, sticking power is good, the features such as impact resistance is good, and solidification rate is excellent.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but not as foundation the present invention being done to any restriction.
Embodiment 1: a kind of polyurethane acrylate prepolymer, this prepolymer comprises hexamethylene diisocyanate 1000 parts, dibutyl tin laurate 3 parts, polyoxyethylene glycol 500 parts, Resorcinol 2 parts and Hydroxyethyl acrylate 1150 parts by mass parts.
The preparation method of above-mentioned polyurethane acrylate prepolymer, comprises the following steps;
A, in the 500ml four-hole boiling flask that agitator, condenser, thermometer are housed, add the dibutyl tin laurate (DBTDL) of 3 parts of 1000 hexamethylene diisocyanates (HDI) and total charging capacity, pH value is reconciled to 5 with a small amount of composite organic acid, pass into dry nitrogen 5 ~ 10min, and stir with electric mixer, make it to be mixed to evenly, obtain A product;
B, A product are warming up to 40 ~ 50 DEG C, slowly instill in four-hole boiling flask in 1h with the polyoxyethylene glycol (PEG1000) 500 parts that the molecular-weight average after processed is 1000 by constant pressure funnel, reaction 2.5 ~ 3h, obtains B product;
C, B product are warming up to 75 ~ 80 DEG C, add Resorcinol 2 parts, then with dropping funnel, the Hydroxyethyl acrylate (HEA) 1150 parts after processed is instilled within the time of 1.5h, reaction 3h, extremely-NCO group all disappears or content <0.5%, obtained polyurethane acrylate prepolymer finished product.
Adopt paint prepared by above-mentioned polyurethane acrylate prepolymer, comprise polyurethane acrylate prepolymer 54 parts, two contracting propylene glycol double methacrylates 22 parts, ethoxylated trimethylolpropane triacrylate 10 parts, 5 parts, 2-hydroxy-2-methyl-1-phenyl-1-acetone, 1-hydroxyl-ring ethyl benzophenone 3 parts, polyacrylic ester 0.6 part, modified polyorganosiloxane 0.5 part, low molecule unsaturated carboxylic acid polymer 0.7 part, Resorcinol 0.2 part and hydrated magnesium silicate 4 parts by mass parts.The preparation method of this paint can adopt conventional paint preparation method, polyurethane acrylate prepolymer by above-mentioned synthesis mixes according to the above ratio with raw materials such as two contracting propylene glycol double methacrylates, ethoxylated trimethylolpropane triacrylate, 2-hydroxy-2-methyl-1-phenyl-1-acetone, 1-hydroxyl-ring ethyl benzophenone, polyacrylic ester, modified polyorganosiloxane, low molecule unsaturated carboxylic acid polymer, Resorcinol, hydrated magnesium silicates, be stirred to evenly, obtained paint.
Embodiment 2: a kind of polyurethane acrylate prepolymer, this prepolymer comprises hexamethylene diisocyanate 900 parts, dibutyl tin laurate 5 parts, polyoxyethylene glycol 500 parts, Resorcinol 2 parts and Hydroxyethyl acrylate 1300 parts by mass parts.
The preparation method of above-mentioned polyurethane acrylate prepolymer, comprises the following steps;
A, in the 500ml four-hole boiling flask that agitator, condenser, thermometer are housed, add the dibutyl tin laurate (DBTDL) of 3 parts of 1000 hexamethylene diisocyanates (HDI) and total charging capacity, pH value is reconciled to 5 with a small amount of composite organic acid, pass into dry nitrogen 5 ~ 10min, and stir with electric mixer, make it to be mixed to evenly, obtain A product;
B, A product are warming up to 40 ~ 50 DEG C, slowly instill in four-hole boiling flask in 1h with the polyoxyethylene glycol (PEG1000) 500 parts that the molecular-weight average after processed is 1000 by constant pressure funnel, reaction 2.5 ~ 3h, obtains B product;
C, B product are warming up to 75 ~ 80 DEG C, add Resorcinol 2 parts, then with dropping funnel, the Hydroxyethyl acrylate (HEA) 1150 parts after processed is instilled within the time of 1.5h, reaction 3h, extremely-NCO group all disappears or content <0.5%, obtained polyurethane acrylate prepolymer finished product.
Adopt paint prepared by above-mentioned polyurethane acrylate prepolymer, comprise polyurethane acrylate prepolymer 50 parts, two contracting propylene glycol double methacrylates 25 parts, ethoxylated trimethylolpropane triacrylate 15 parts, 7 parts, 2-hydroxy-2-methyl-1-phenyl-1-acetone, 1-hydroxyl-ring ethyl benzophenone 3 parts, polyacrylic ester 0.6 part, modified polyorganosiloxane 0.5 part, low molecule unsaturated carboxylic acid polymer 0.7 part, Resorcinol 0.5 part and hydrated magnesium silicate 4 parts by mass parts.The preparation method of this paint can adopt conventional paint preparation method, polyurethane acrylate prepolymer by above-mentioned synthesis mixes according to the above ratio with raw materials such as two contracting propylene glycol double methacrylates, ethoxylated trimethylolpropane triacrylate, 2-hydroxy-2-methyl-1-phenyl-1-acetone, 1-hydroxyl-ring ethyl benzophenone, polyacrylic ester, modified polyorganosiloxane, low molecule unsaturated carboxylic acid polymer, Resorcinol, hydrated magnesium silicates, be stirred to evenly, obtained paint.
Claims (5)
1. a polyurethane acrylate prepolymer, is characterized in that: this prepolymer comprises hexamethylene diisocyanate 1000 parts, dibutyl tin laurate 3 parts, polyoxyethylene glycol 500 parts, Resorcinol 2 parts and Hydroxyethyl acrylate 1150 parts by mass parts;
The preparation method of described polyurethane acrylate prepolymer, the method comprises the following steps;
A, hexamethylene diisocyanate to be mixed with dibutyl tin laurate, and adjust ph is to 5, then passes into dry nitrogen 5 ~ 10min, stir, obtain A product;
B, A product are warming up to 40 ~ 50 DEG C, then by the polyoxyethylene glycol instillation flask after processed, reaction 2.5 ~ 3h, obtains B product;
C, B product are warming up to 75 ~ 80 DEG C, add Resorcinol, then by the Hydroxyethyl acrylate instillation after processed, reaction to-NCO group all disappears or content <0.5%, obtains finished product.
2. polyurethane acrylate prepolymer according to claim 1, is characterized in that: the adjust ph described in step a, to 5, is, with composite organic acid, solution is regulated pH to 5.
3. polyurethane acrylate prepolymer according to claim 1, is characterized in that: be by the polyoxyethylene glycol instillation flask after processed in step b by constant pressure funnel.
4. the paint adopting the polyurethane acrylate prepolymer described in any one of claims 1 to 3 to prepare, is characterized in that: comprise polyurethane acrylate prepolymer 50-60 part, two contracting propylene glycol double methacrylate 20-25 parts, ethoxylated trimethylolpropane triacrylate 5-15 part, 2-hydroxy-2-methyl-1-phenyl-1-acetone 3-10 part, 1-hydroxyl-ring ethyl benzophenone 1-5 part, polyacrylic ester 0.5-1 part, modified polyorganosiloxane 0.3-1 part, low molecule unsaturated carboxylic acid polymer 0.5-1 part, Resorcinol 0.1-0.5 part and hydrated magnesium silicate 2-6 part by mass parts.
5. paint according to claim 4, is characterized in that: comprise polyurethane acrylate prepolymer 54 parts, two contracting propylene glycol double methacrylates 22 parts, ethoxylated trimethylolpropane triacrylate 10 parts, 5 parts, 2-hydroxy-2-methyl-1-phenyl-1-acetone, 1-hydroxyl-ring ethyl benzophenone 3 parts, polyacrylic ester 0.6 part, modified polyorganosiloxane 0.5 part, low molecule unsaturated carboxylic acid polymer 0.7 part, Resorcinol 0.2 part and hydrated magnesium silicate 4 parts by mass parts.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310004982.7A CN103030768B (en) | 2013-01-06 | 2013-01-06 | Polyurethane acrylate prepolymer and preparation method thereof as well as paint prepared by same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310004982.7A CN103030768B (en) | 2013-01-06 | 2013-01-06 | Polyurethane acrylate prepolymer and preparation method thereof as well as paint prepared by same |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103030768A CN103030768A (en) | 2013-04-10 |
CN103030768B true CN103030768B (en) | 2014-12-17 |
Family
ID=48018203
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201310004982.7A Active CN103030768B (en) | 2013-01-06 | 2013-01-06 | Polyurethane acrylate prepolymer and preparation method thereof as well as paint prepared by same |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN103030768B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103224604B (en) * | 2013-04-23 | 2015-04-08 | 久盛地板有限公司 | Modified epoxy acrylate and paint for wood underground heat floor prepared by the modified epoxy acrylate |
CN109503808A (en) * | 2018-10-31 | 2019-03-22 | 上纬新材料科技股份有限公司 | Low viscous high-strength polyurethane acrylic resin of one kind and preparation method thereof |
US11702384B2 (en) * | 2019-12-06 | 2023-07-18 | Skc Co., Ltd. | Diisocyanate composition for optical lens and preparation method thereof |
CN111072910A (en) * | 2019-12-31 | 2020-04-28 | 湖南松井新材料股份有限公司 | Nonionic polyurethane acrylate and preparation method and application thereof |
CN114702852A (en) * | 2022-04-24 | 2022-07-05 | 惠州市华士德化工有限公司 | Slow-drying type ink diluent and preparation method thereof |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100726688B1 (en) * | 2005-12-30 | 2007-06-11 | (주)디피아이 홀딩스 | Urethane acrylate resin and epoxy paint composition having the same |
CN102504174A (en) * | 2011-12-19 | 2012-06-20 | 烟台德邦科技有限公司 | Polyurethane acrylic acid ester and preparation method and application thereof |
CN102746787A (en) * | 2012-06-25 | 2012-10-24 | 北方涂料工业研究设计院 | Optical fiber coating paint transmittable for deep ultraviolet light |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2145930A4 (en) * | 2007-05-09 | 2010-06-16 | Idemitsu Technofine Co Ltd | Ultraviolet-curable coating agent and molded article |
-
2013
- 2013-01-06 CN CN201310004982.7A patent/CN103030768B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100726688B1 (en) * | 2005-12-30 | 2007-06-11 | (주)디피아이 홀딩스 | Urethane acrylate resin and epoxy paint composition having the same |
CN102504174A (en) * | 2011-12-19 | 2012-06-20 | 烟台德邦科技有限公司 | Polyurethane acrylic acid ester and preparation method and application thereof |
CN102746787A (en) * | 2012-06-25 | 2012-10-24 | 北方涂料工业研究设计院 | Optical fiber coating paint transmittable for deep ultraviolet light |
Non-Patent Citations (2)
Title |
---|
紫外光固化聚氨酯丙烯酸酯树脂合成与性能研究;石智强等;《化工生产与技术》;20071025;第14卷(第05期);第18-21页 * |
聚氨酯甲基丙烯酸酯预聚物合成及反应动力学研究;艾少华等;《粘接》;20091110(第11期);第43-45页 * |
Also Published As
Publication number | Publication date |
---|---|
CN103030768A (en) | 2013-04-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103030768B (en) | Polyurethane acrylate prepolymer and preparation method thereof as well as paint prepared by same | |
CN103275416A (en) | Wood-plastic floor and manufacturing method thereof | |
CN103756577A (en) | PVC (polyvinyl chloride)/metal bonding hot melt adhesive film and preparation method thereof | |
CN104497926B (en) | A kind of water-proof environmental protection binding agent | |
CN101210159A (en) | Bicomponent environment-friendly type adhesive and preparing method thereof | |
CN102993941A (en) | Environment-friendly wood paint | |
CN103804974A (en) | Indoor decoration putty paste or wall plastering aggregate slurry and production method thereof | |
CN107446404A (en) | A kind of external thermal insulation wall surface water proof flexible material | |
CN103992740A (en) | Method using raw lacquer as matrix to cooperate with whisker to prepare paint and product | |
CN101811887B (en) | Concrete curing agent and preparation method thereof | |
CN104789157B (en) | Sheet material scrapes ash adhesive powder and making and use method in a kind of timber processing | |
CN104402365B (en) | Aluminosulfate cement composition, preparation method and application thereof | |
CN104293129A (en) | Tasteless high-transparency full-matt top-coat paint and preparation method thereof | |
CN108059696B (en) | Environment-friendly concrete curing agent and preparation method thereof | |
CN108585753A (en) | A kind of green magnesite plank and its production procedure and application thereof | |
CN101691695A (en) | Water PU earthquake crack resin for synthetic leather | |
CN102796432A (en) | High-molecular nanometer elastic mud | |
CN104530943A (en) | Wear-resistant polyurea terrace coating and preparation method and application thereof | |
CN104109408A (en) | Building roof waterproof coating | |
CN107892870B (en) | Polyurethane mask synthetic material for plastic track surface layer and preparation method thereof | |
CN101845283B (en) | Method for preparing adhesive special for flexible veneers or bricks | |
CN104277695A (en) | Wear-resistant and scratch-resistant root-resistant waterproof coating and preparation method thereof | |
CN105694640B (en) | A kind of production method of Mobyneb water-in-water multicolor coating | |
CN103828807A (en) | Mildew preventive for cloth shoes | |
CN103694818A (en) | Faux-wooden wear-resistant material |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A kind of urethane acrylate prepolymer and preparation method thereof and paint prepared therewith Effective date of registration: 20220803 Granted publication date: 20141217 Pledgee: Zhejiang Nanxun Rural Commercial Bank Co.,Ltd. Hengjie sub branch Pledgor: JIUSHENG WOOD Co.,Ltd. Registration number: Y2022330001614 |